Hi @User58227858
If you confirm that your NSM has internet access then please apply the following KB
https://kc.mcafee.com/corporate/index?page=content&id=KB92951
The new certs are included at the end of this KB.
This should solve the issue, however, If the issue persists, make sure that SSL traffic is not decrypted between the NSM and our McAfee Servers,
Regards,
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